Survey Identifier: HM940526
Format Acronym: MGD77
Data Center File Number: J1030030
Parameters Surveyed Code: 33513
File Creation Date (yyyymmdd): 19970324
Source Institution: HYDROGRAPHIC DEPARTMENT
Country: JAPAN
Platform Name: MEIYO
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): MINORU TSUNEMASA
Project: EARTHQUAKE PREDICTION
Funding: HYDROGRAPHIC DEP
Survey Departure Date (yyyymmdd): 19940526
Port of Departure: TOKYO
Survey Arrival Date (yyyymmdd): 19940621
Port of Arrival: TOKYO
Navigation Instrumentation: GPS/LORANC
Geodetic Datum/Position: GPS/LORANC
Gravity Instrumentation: KSS30 TYPE, SENSOR GSS-30-01
Additional Forms of Gravity Data: GRAVITY ANOMALY CHART
Topmost Latitude of Survey: +40
Bottommost Latitude: +38
Leftmost Longitude: +137
Rightmost Longitude: +140
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 000
General Sampling Rate of Magnetics: 00
Magnetic Sensor Tow Distance: 0000
General Digitizing Rate of Gravity: 010
General Sampling Rate of Gravity: 05
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System: SYSTEM JGSN 75
Corrections Applied: DRIFT , ETOVOS CORRECTION
Departure Base Station Gravity: 9797716
Departure Base Station Description: TOKYO, PIER FOR MEIYO
Arrival Base Station Gravity: 9797715
Arrival Base Station Description: TOKYO, PIER FOR MEIYO
Additional Documentation: CRUISE NAME = OFFING OF AKITA YAMAGATA
Number of Data Records: 15731
Min/Max Data Record:
Date: 1994 05 28
Latitude: +38.58448
Longitude: +137.94400
Observed Gravity: 9800425
Free-Air Anomaly: -0455
Min/Max Data Record:
Date: 1994 06 16
Latitude: +39.83162
Longitude: +139.60908
Observed Gravity: 9802119
Free-Air Anomaly: +0829